code: def test_parsing_logical_forms_fails_with_unmapped_names(self):
      with pytest.raises(ParsingError):
          _ = self.world.parse_logical_form("(number 20)")
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  from __future__ import print_function
  import pytest
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data.tokenizers import Token
  from allennlp.semparse import ParsingError
  from allennlp.semparse.contexts import TableQuestionKnowledgeGraph
  from allennlp.semparse.worlds import WikiTablesWorld
label_desc: Use image node_id 7 for calling the TestWikiTablesWorld obj's underlying member method code with example usage: obj.test_parsing_logical_forms_fails_with_unmapped_names() without return types